71182251

素因数分解:

$3^2\times 7^2\times {\mathrm{161411}}^1$

素因数の和:161431

約数の個数: 18

約数和(自身を含む): 119606292

約数和(自身を除く): 48424041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 161411, 484233, 1129877, 1452699, 3389631, 7909139, 10168893, 23727417, 71182251]

約数ペア:

[(1, 71182251), (3, 23727417), (7, 10168893), (9, 7909139), (21, 3389631), (49, 1452699), (63, 1129877), (147, 484233), (441, 161411)]